DPC 60, Trouble Shooting Microbial Defects in Dairy Processing Plants: Product Line-Sampling and Hygiene Monitoring

Item #: DPC-060

Published: 1996

Pages: 20

This guideline details product line sampling of fluid milk and non-fluid dairy procedures for microbiological testing. Methodology for microbial testing and evaluation of product sampling and hygiene monitoring are included. Environmental surface and air sampling is also reviewed.

DISCLAIMER: The DPC is not responsible for the use or application of the information provided in this Guideline. It is the responsibility of the user to ensure that the information addresses their needs and that any action taken complies with appropriate regulations and standards.

Table of Contents:
INTRODUCTION
PRODUCT LINE-SAMPLING - PASTEURIZED FLUID MILK
     Suggested Sampling Sites - HTST Pasteurized Fluid Milk
     Sampling Ports - Fluid Milk
     Sampling Devices - Fluid  Milk
     Sample Collection - Fluid Milk
     Microbiological Testing - Fluid Milk
     Fluid Milk Line-Sampling
PRODUCT LINE-SAMPLING -  NON-FLUID DAIRY PRODUCTS
     Suggested Sampling Sites - Non-Fluid Dairy Products
     Sample Collection - Non-Fluid Dairy Products
Microbiological Testing - Non-Fluid Dairy Products
INTERPRETATION OF  LINE- SAMPLING RESULTS
PRODUCT PACKAGING EVALUATION
     Rinse Solution
     Addition of Rinse Solution
     Rinse Procedure
     Sampling Procedure
     Recommended Microbiological Method
HYGIENE MONITORING - EVALUATION OF PRODUCT CONTACT SURFACES
     Sampling Sites
     Direct Agar Contact Methods
     Surface Swab Methods
ATP-BIOLUMINESCENCE METHODOLOGY
ENVIRONMENTAL SAMPLING
     Environmental Surface Sampling
     Air Sampling
REFERENCES
APP 1. T.T.C. Test
APP 2. Crystal Violet Tetrazolium Agar for Gram Negative Bacteria Counts

All DPC Guidelines go through an extensive peer review process. More information is available here.

DPC 60, Trouble Shooting Microbial Defects in Dairy Processing Plants: Product Line-Sampling and Hygiene Monitoring

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